Depozite în Continente de Est
Asia
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China, Kazakhstan, South Korea, Thailand, Turkey, Vietnam
Africa
Uganda
Egypt, Ethiopia, Ghana, South Africa
Europa
Germany, Hungary, Italy, Spain
Finland, France, Germany, Great Britain, Hungary, Iceland, Ireland, Italy, Netherlands, Norway, Romania, Sweden, Switzerland
Alții
Groenlanda, Dorsalei-atlantica
Groenlanda
Depozite în Continente de Vest
America de Nord
USA
Canada, Cuba, Jamaica, USA
America de Sud
Bolivia, Brazil
Bolivia, Brazil, Colombia, Ecuador, Paraguay
Depozite în Oceania Continent
Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Western Australia